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Lymphogranuloma Venereum


Lymphogranuloma venereum is a sexually transmitted disease caused by serovars L1, L2 and L3 of Chlamydia trachomatis. During recent outbreaks, proctitis or proctocolitis predominated the clinical picture and the disease was mainly diagnosed in men who have sex with men.


The classic course of LGV consists of three stages that can be well distinguished. The incubation period may last up to one month, but symptom onset may also occur after a few days [9].

A primary lesion may form on vulva, vaginal mucosa or cervix, on the glans penis, most commonly on the coronal sulcus, in the urethra or rectum of both women and men. Depending on its precise location, it may go unnoticed unless mucopurulent discharge attracts the attention of the affected individual. It may appear as a papule or nodule, erode and ulcerate. If the latter is the case, hemorrhages may be reported. Contrary to lesions associated with genital herpes, pain and pruritus are generally absent. The primary lesion spontaneously remits after about one week.

The first stage of the disease is followed by a latency period of several weeks. The second stage of LGV is characterized by unilateral, rarely bilateral, lymphadenopathy; distinct lymph nodes may be affected dependent on the site of inoculation. In heterosexual men and some women, i.e., in those patients that presented the initial lesion in the anterior pubic area, inflammation of inguinal and external iliac lymph nodes occurs. In the developing world, this is the most common course of the disease, which is therefore often described as "genital ulcers and inguinal lymphadenopathy". Swelling and pain may be noted, but abscesses may also form in affected lymph nodes. They are commonly referred to as buboes, may rupture and drain into sinus tracts. In contrast, if inoculation occurs in the posterior pubic region, in the posterior parts of vulva and vagina, or in the rectum of women or men, pathogens may reach the perirectal and internal iliac lymph nodes. Here, lymphadenopathy provokes abdominal and lower back pain, but swollen lymph nodes are not palpable. Reactive arthritis has been reported to develop during the second stage of LGV [10].

If not adequately treated, the infection may persist for years and trigger a chronic inflammatory response. Extensive tissue damage, abscess and fistula formation, and, in case of anal infections, proctitis, strictures and stenosis of the rectum may occur during this third stage of LGV. Genital edema and lymphorrhoids are sometimes observed. These sequelae result from chronic lymphangitis, chronic edema and fibrotic remodelling processes.

Considering recent outbreaks in the developed world, presentation is more homogeneous. Most patients are homosexual or bisexual men and they usually suffer from hemorrhagic proctitis during early stages of the disease. This condition is painful and is often associated with anorectal bleedings and tenesmus.

Inguinal Lymphadenopathy
  • This sexually transmitted disease is uncommon in South Africa, and 5 of the 6 patients presented with inguinal lymphadenopathy without a primary lesion. The value of serological tests in the diagnosis of this disease is emphasized.[ncbi.nlm.nih.gov]
  • The patient had vaginitis, inguinal lymphadenopathy, a history of Sjögren's syndrome, and seropositivity to human immunodeficiency virus (HIV). The ocular disease resolved completely after 6 weeks of oral tetracycline therapy.[ncbi.nlm.nih.gov]
  • Clinicians seeing men who have sex with men with inguinal lymphadenopathy and bowel symptoms should be aware of this current epidemic.[ncbi.nlm.nih.gov]
  • Abstract A laboratory-confirmed lymphogranuloma venereum (LGV) case in Slovenia was reported in 2015, in a human immunodeficiency virus (HIV)-negative man presenting with inguinal lymphadenopathy.[ncbi.nlm.nih.gov]
  • Abstract Lymphogranuloma venereum (LGV) is a sexually transmitted cause of inguinal lymphadenopathy and proctocolitis.[ncbi.nlm.nih.gov]
Generalized Lymphadenopathy
  • Lymphoma Lymphoma will usually be associated with constitutional symptoms and generalized lymphadenopathy. Diagnosis of lymphoma is made by histopathology from a lymph node biopsy. Incarcerated inguinal hernia Differential for an inguinal mass.[online.epocrates.com]
  • Rectal infection can result in proctocolitis that can present with mucoid and/or hemorrhagic rectal discharge, anal pain, constipation, fever, and tenesmus, and signs of granulomas and/or ulcerations on anoscopy (1,2).[ncbi.nlm.nih.gov]
  • Primary anorectal lymphogranuloma venereum, usually in homosexual men, causes severe proctocolitis, accompanied by tenesmus, diarrhea, bleeding, fever, and weight loss.[histopathology-india.net]
  • Fever was reported in 11 cases. Inguinal abscess was reported in 22 of 42 cases presenting with lymphadenopathy. Co-infections were frequent: eight cases of syphilis, four non-LGV Chlamydia trachomatis infections, one case of gonorrhoea.[ncbi.nlm.nih.gov]
  • Histologically, these abscesses are nearly diagnostic, but the clinical appearance may be similar to those seen in other infections, including catscratch fever and mycobacterial granulomatous infections.[emedicine.com]
  • Fever, chills, headache, and joint pains may be present. Abscess formation with drainage of pus from the inguinal lymph nodes is common.[britannica.com]
  • Constitutional symptoms associated with the second stage include fever, chills, myalgias, and malaise.[emedicine.medscape.com]
  • These include fever, chills, fatigue, muscle and joint aches, lymph node swelling, genital scarring, and rectal disease. Causes LGV can be transmitted through unprotected oral, vaginal or anal sex with a person who is already infected.[gov.mb.ca]
  • Photo Credit Dolly Faibyshev for The New York Times Work Out and Chill? Cool temperature workouts may be the answer for those who want to exercise without becoming a hot mess.[nytimes.com]
  • Abstract A 21 year old woman presented with painful groin lymphadenopathy and malaise. Lymph node biopsy, to exclude atypical infection and malignancy, suggested the diagnosis of lymphogranuloma venereum.[ncbi.nlm.nih.gov]
  • Constitutional symptoms associated with the second stage include fever, chills, myalgias, and malaise.[emedicine.medscape.com]
  • They are usually accompanied by throbbing pain, fever, malaise, or headache. In about 30% of cases, the bubo breaks through the skin, drains continuously, remains open, and becomes infected by other bacteria.[healthcommunities.com]
  • Other symptoms include malaise, fever, chills, joint and muscular pain and vomiting. 3 Most female patients present during this stage with fever, pain, itch, pain on passing stools and urinating, and pus-filled or bloody diarrhoea.[dermnetnz.org]
  • […] the metropolitan London area and Brighton but smaller clusters have occurred in other areas - eg, Edinburgh. [ 6 ] Risk factors [ 7 ] Unprotected sexual intercourse Receptive anal intercourse Insertive oral intercourse Sexual contacts in endemic areas Prostitution[patient.info]
  • There is a high occupational risk for prostitutes, sodomists, and other sexually promiscuous persons.[isradiology.org]
  • […] homosexual and bisexual men; Sexually active heterosexual men and women, including those a) in whom another STD was recently diagnosed, b) who had more than one sex partner in the preceding 6 months, c) who received treatment in an STD clinic, and d) who are prostitutes[cdc.gov]
Inguinal Pain
  • Secondary (inguinal): painful inguinal lymphadenopathy (bubo), usually unilateral, with abscess formation and rupture in 1/3 of cases. Tertiary: genital ulcers, fistulas, elephantiasis, and rectal strictures.[auanet.org]
  • In multivariate analysis, tenesmus and constipation alone were suggestive of LGV (OR 2.98, 95% CI 0.99 to 8.98 and 2.87, 95% CI 1.01 to 8.15, respectively) and that tenesmus alone or in combination with constipation was a significant predictor of LGV[ncbi.nlm.nih.gov]
  • Rectal infection can result in proctocolitis that can present with mucoid and/or hemorrhagic rectal discharge, anal pain, constipation, fever, and tenesmus, and signs of granulomas and/or ulcerations on anoscopy (1,2).[ncbi.nlm.nih.gov]
  • All five patients infected with serovar L-1 were homosexual men who had symptomatic proctitis characterized by rectal pain, discharge, tenesmus, abnormalities seen on anoscopy, and leukocytes seen on gram stains of rectal specimens.[ncbi.nlm.nih.gov]
  • The majority presented with bleeding (9), pain (6), and tenesmus (4). Ulcerations were the most common endoscopic abnormality (7), whereas mass lesions were confined to the syphilis group (4).[ncbi.nlm.nih.gov]
  • All patients reported having acute proctitis symptoms including tenesmus (85%), pain (88%), constipation (62%), or anal discharge (96%).[ncbi.nlm.nih.gov]
Perianal Ulcer
  • Two cases of HIV-infected patients presenting with isolated perianal ulcer disease are reported here. Both cases were confirmed to have rectal Chlamydia trachomatis-specific DNA of an LGV associated serovar.[ncbi.nlm.nih.gov]
  • We report a white bisexual male who presented with a painful perianal ulcer, inguinal lymphadenitis, and concomitant infection with human immunodeficiency virus 1 (HIV-1).[ncbi.nlm.nih.gov]
  • Singhrao T, Higham E, French P (2011) Lymphogranulomavenereum presenting as perianal ulceration: an emerging clinical presentation?Sex Transm Infect 87: 123-124.[omicsonline.org]
  • Moreover, chlamydia diagnostic is performed on all genital and perianal ulceration to exclude inguinal forms of LGV.[journals.lww.com]
  • If painful perianal ulcers are present or mucosal ulcers are seen on anoscopy, presumptive therapy should include a regimen for treating genital herpes. Follow-Up Follow-up should be based on specific etiology and severity of clinical symptoms.[cdc.gov]
Anal or Rectal Pain
  • Patients may complain of anal itching, bloody mucopurulent anal discharge, rectal pain and tenesmus, passage of very thin stools with constipation or weight loss.[patient.info]
Severe Abdominal Pain
  • Clinical experience suggests that LGV is highly responsive to antibacterial therapy; however, if LGV is not treated, extensive tissue damage may occur, leading to deep-tissue abscesses, chronic fissures, strictures, and severe abdominal pain [ 2 ].[doi.org]
  • Following initial exposure, there is mild, blister-like formation which is frequently unnoticed. Within the following month, there is ulceration of the vaginal, rectal or inguinal areas.[brooksidepress.org]
  • A small, painless blister or sore appears where the infection first entered the body. This may go unnoticed. There can be small groups of these, which look a little like herpes infection.[aidsmap.com]
  • When the genitals are involved: The first sign of infection is a pimple, blister or ulcer, which often goes unnoticed. In men it is usually on the penis. In women, it is in the vagina or on the cervix.[mshc.org.au]
  • Both diseases are rare in Rio de Janeiro City, Brazil, and physicians should not neglect the possibility of STDs in such cases.[ncbi.nlm.nih.gov]
  • Generally, the individuals with anal CT Lb2 serovar infection show a history of neglected symptoms at anal level.[bmcinfectdis.biomedcentral.com]
  • American Academy of Pediatrics Committee on Child Abuse and Neglect. Guidelines for the evaluation of sexual abuse of children: subject review. Pediatrics 1999;103:186--91. Adams JA, Harper K, Krudson S.[cdc.gov]
  • Committee on Child Abuse and Neglect, American Academy of Pediatrics. Guidelines for the evaluation of sexual abuse of children. Pediatrics 1991;87:254-60.[cdc.gov]
  • This case illustrates that early LGV may mimic other genital ulcer diseases, such as genital herpes or chancroid, especially in HIV infected patients.[ncbi.nlm.nih.gov]
  • (A) The eroded purulent ulcer of chancroid is painful and may be associated with painful inguinal adenitis. (...[5minuteconsult.com]
  • In 1913 Durand, Nicolas and Favre 1 differentiated from inguinal adenitis due to chancroid, syphilis and tuberculosis a new venereal disease, which they called subacute inguinal lymphogranulomatosis and which they established as a venereal disease entity[jamanetwork.com]
  • Genital lesions caused by LGV can be mistaken for other ulcerative STDs such as syphilis, genital herpes and chancroid.[epi.publichealth.nc.gov]
  • The diagnosis of lymphogranuloma venereum is suspected in a person with typical symptoms and in whom other causes (such as chancroid, herpes, and syphilis ) have been excluded.[medicinenet.com]
Penile Lesion
  • Fig. 1 Ulcerative, painless lesion in a 22 year-old woman, wife of a man who was also diagnosed with LGV Fig. 2 Bubo in a 26 year-old man with cutaneous microabscesses and “watering can sign” aspect Fig. 3 Ulcerative, painless penile lesion and inguinal[bmcinfectdis.biomedcentral.com]
Painless Penile Lesion
  • Fig. 1 Ulcerative, painless lesion in a 22 year-old woman, wife of a man who was also diagnosed with LGV Fig. 2 Bubo in a 26 year-old man with cutaneous microabscesses and “watering can sign” aspect Fig. 3 Ulcerative, painless penile lesion and inguinal[bmcinfectdis.biomedcentral.com]


If anamnestic data and clinical presentation prompt a suspicion of LVG, lesion or rectal swab specimens or aspirates from buboes should be obtained for further testing. Molecular biological approaches have been proven more reliable than traditional serological testing and bacterial culture. With regards to the latter, serological tests may be sensitive, but are rather unspecific, and culture of Chlamydia is a real challenge - it may be very specific, but is little sensitive.

Any approach chosen should be followed by genotyping, unless both steps can be realized in one single test. C. trachomatis is frequently detected in genital or rectal swabs, but L1, L2 or L3 serovars are rare findings. Because only those serovars are able to induce LGV, a definitive diagnosis cannot be made before genotyping results are available.

Due to the strong correlation between LGV and HIV infections, LGV patients should be tested for HIV infection. Similarly, diseases like hepatitis B, hepatitis C and syphilis are frequently observed in individuals pertaining to risk groups for LVG and thus, it should be ascertained if patients suffer from either of those infectious diseases.

  • Abstract The French Reference Centre for chlamydiae uses two real-time PCRs targeting the pmpH gene of Chlamydia trachomatis to differentiate between L strains and variant L2b, responsible for a lymphogranuloma venereum outbreak in Europe.[ncbi.nlm.nih.gov]
  • LGV testing is recommended for MSM with anorectal chlamydia.[ncbi.nlm.nih.gov]
  • Abstract During an 18-month period to June 2012, 1732 anal chlamydia (Chlamydia trachomatis) tests were performed among men who have sex with men (MSM) at RPA Sexual Health in Sydney's inner west.[ncbi.nlm.nih.gov]
  • In contrast, chlamydia serovars A to K exclusively produce superficial mucosal infections. Lymphogranuloma venereum also requires a different treatment regimen than other chlamydia serovars.[ncbi.nlm.nih.gov]
  • Of the 145 patients screened, 21 patients were diagnosed with rectal Chlamydia trachomatis, one with both rectal and urethral chlamydia and six with urethral chlamydia.[ncbi.nlm.nih.gov]
Chlamydia Trachomatis
  • Abstract Rectal Lymphogranuloma venereum (LGV) due to Chlamydia trachomatis (Ct) serotype L2 is reported. LGV was isolated from the lymph node biopsy of a bisexual male and was cultured on McCoy cycloheximide treated-cells.[ncbi.nlm.nih.gov]
  • Abstract We describe a change in the molecular epidemiology of Chlamydia trachomatis strains involved in an outbreak of rectal lymphogranuloma venereum in France during January 2010-April 2015.[ncbi.nlm.nih.gov]
  • From Wikidata Jump to navigation Jump to search sexually transmitted disease caused by the invasive serovars L1, L2, L2a or L3 of Chlamydia trachomatis.[wikidata.org]
  • We review all the reports of rectal Chlamydia trachomatis and LGV testing of those samples. Chlamydia trachomatis LGV DNA was detected by Nucleic Acid Amplification/ompA gene sequencing. Medical records of all patients with LGV were reviewed.[ncbi.nlm.nih.gov]
Complement Fixing Antibody
  • The diagnosis of lymphogranuloma venereum was made by a fourfold rise in complement fixing antibody titer. Treatment with tetracycline was successful.[ncbi.nlm.nih.gov]
Complement Fixing Antibody
  • The diagnosis of lymphogranuloma venereum was made by a fourfold rise in complement fixing antibody titer. Treatment with tetracycline was successful.[ncbi.nlm.nih.gov]
  • The study of these special problems is of unique interest, because clarification of their particular pathogenesis may shed light on the development of the "idiopathic" variety of ulcerative colitis.[annals.org]
  • Sejal Patel and Lysandra Voltaggio , A practical approach to colitis , Diagnostic Histopathology , 17 , 9 , (376) , (2011) . , Bacterial Infections , Andrews' Diseases of the Skin , 10.1016/B978-1-4377-0314-6.00014-0 , (247-286) , (2011) .[doi.org]
  • Signs and symptoms associated with rectal infection can be mistaken for ulcerative colitis. Complications occur such as abscesses or fistulas occur when the infection becomes deep-seated. Stage Features 1 Small painless papule appears.[dermnetnz.org]
  • In the chronic stages, colitis simulating Crohn disease may cause tenesmus and strictures in the rectum or pain due to inflamed pelvic lymph nodes.[merckmanuals.com]


Doxycycline is the antibiotic of choice to treat LGV, unless the drug is contraindicated - Pregnant and lactating women should rather be treated with azithromycin or erythromycin. In general, a therapeutic regimen of 100 mg doxycycline once a day per os for three weeks is recommended. Azithromycin is given in a single dose of 1 g per os; erythromycin needs to be applied for three weeks in daily doses of 500 mg. Antibiotic resistances have rarely been reported and if patients comply with prescriptions, relapses are unlikely. However, long-term protection cannot be conferred and if patients don't avoid risk behavior, renewed infection is to be expected.

If buboes are present, they should be drained. Proper wound care is also recommended.


LGV patients generally respond well to antibiotic treatment and their prognosis is very good if such therapy is initiated before extensive, irreversible tissue damage occurs.


LGV is a sexually transmitted disease caused by serovars L1, L2 and L3 of C. trachomatis. This Gram-negative pathogen pertains to the family of Chlamydiaceae and is known to cause a variety of other pathologies, some of which are transmitted during sexual intercourse. In detail, the latter applies for urethritis, cervicitis, epididymitis and prostatitis. However, these entities are provoked by distinct serovars and may neither result from nor lead to LGV.

LGV may be contracted during unprotected vaginal, anal or oral sex. These transmission routes are of different epidemiological importance: Vaginal sex is practiced by heterosexual individuals, and provokes LGV in women and men. It is the classical route of transmission. Anal sex has always accounted for minor shares of LGV cases, but has evolved to be the main way of transmission in recent outbreaks in Europe, North America and Australia. In agreement with that observation, the majority of patients in these countries are men who have sex with men. Oral LGV has only been reported anecdotally [3], and the importance of ano-oral transmission in recent outbreaks is not yet clear [4].


LGV has traditionally been considered a public health concern in developing countries. Here, low educational levels, lack of medical attention and commercial sex work contribute to an increase in incidence and prevalence among the respective risk groups. More recently, several outbreaks of LGV have been registered in industrialized nations. Affected individuals are generally men who have sex with man, particularly if presenting a concomitant infection with HIV. Of note, the latter scenario is not unknown in underdeveloped regions. Highest case numbers have been reported from the United Kingdom and France [2]. And while the overall prevalence of LGV-associated serovars of C. trachomatis is much lower than that of other sexually transmitted strains [5] [6], almost one out of ten men who tested positive for C. trachomatis in the United Kingdom was indeed infected with an LGV-related serovar. Recent publications state that up to 25% of LGV patients remain asymptomatic; they may play an important role in epidemiology and serve as an undetected reservoir [7].

In general, women and men are equally susceptible to the disease. However, according to the above mentioned changes regarding risk groups and clinical presentation, males are diagnosed with LGV significantly more often than females in the Western world. With regards to age distribution, the sexually active population aged 15 to 40 years has a higher risk of contracting the disease than children and elder adults.

Sex distribution
Age distribution


C. trachomatis is an obligate intracellular pathogen; it may be encountered in form of elementary bodies and reticulate bodies, which can be considered two developmental stages of the bacterium. Elementary bodies are infectious particles and may be transmitted during sexual intercourse. However, they are not metabolically active and require host cell structures in order to differentiate, grow and divide. Elementary bodies enter epithelial host cells within endocytic vacuoles after triggering cytoskeletal reorganization and induction of endocytosis [8]. Inside the host cell, elementary bodies differentiate into reticulate bodies. These are metabolically active, grow, divide, and eventually re-differentiate into elementary bodies. Upon cell lysis, the latter are released and may infect other cells of the same host or be transmitted to another human being.

In contrast to other strains, serovars related with LVG frequently pass through the mucosal barrier, travel to regional lymph nodes via lymphatic vessels, infect monocytes and macrophages, and induce a lymphoproliferative reaction. Within weeks after infection, lymph node abscesses may form.


Practice of safer sex is a very effective way to prevent LVG and a plethora of other sexually transmitted diseases, and people should be adequately educated about this topic. If possible, condoms should be provided. However, these contraceptives may not in any case cover all LVG-associated lesions and thus, transmission cannot be ruled out even if condoms are used - a residual risk remains. Avoidance of sexual intercourse with people at high risk of LVG is strongly recommended and eventually the only way to further minimize the risk.

Frequent changes of sexual partners and commercial sex work predispose for an infection. In order to reduce morbidity and disease prevalence, every affected individual should be treated with antibiotics. Periodic screening of asymptomatic men that pertain to any of the above mentioned risk groups can be realized by examination of rectal swabs and may largely contribute to identify otherwise unnoticed reservoirs.


Lymphogranuloma venereum (LGV) is a sexually transmitted disease that has long since been considered a rare disorder in developed countries. However, case numbers have been rising during the last decade and LGV has recently been classified as a re-emerging infectious disease [1].

The etiologic agent of LGV is Chlamydia trachomatis (C. trachomatis), namely serovars L1, L2 and L3. The disease is endemic in underdeveloped regions of Africa, India, Southeast Asia, Central and South America. Here, it generally manifests in form of genital ulcers and inguinal lymphadenopathy. Although antibiotics are highly effective against the causative pathogen, appropriate medical attention is generally delayed or not at all available in the aforementioned regions. Thus, morbidity due to extensive tissue damage, abdominal pain and long-term sequelae is high.

In contrast, LGV is rarely diagnosed in industrialized nations of Europe and North America. However, an outbreak that occurred in the Netherlands in 2004 marked a turning point with regards to LGV epidemiology in the Western world: The disease has subsequently been observed in other European countries, in North America and in Australia. Highest incidence rates have been reported in the United Kingdom [2]. Strikingly, the majority of these outbreaks has been provoked by serovar L2. Clinical presentation differed from the aforedescribed, classical one and was marked by complaints associated with proctitis or proctocolitis. Most patients were men who have sex with man, and a strong correlation between the incidence of LGV and previous infection with the human immunodeficiency virus (HIV) has been noted.

Patient Information

Lymphogranuloma venereum (LVG) is a sexually transmitted disease caused by serovars L1, L2 and L3 of Chlamydia trachomatis. It is important to note that other strains of this same species provoke distinct pathologies, i.e., inflammation of urethra, cervix, epididymis and prostate as well as conjunctivitis.

LVG may be contracted during unprotected vaginal, anal or - rarely - oral sex. Classic LVG manifests in form of genital or rectal ulcers and regional lymphadenopathy. Affected individuals pass through three stages of the disease: During the first stage, a papule may form on vulva, vaginal mucosa or cervix, on the glans penis, in the urethra or rectum of both women and men. It may erode and ulcerate, but is usually painless and doesn't cause pruritus. Thus, it frequently goes unnoticed. After about one week, it remits spontaneously. However, the infection persists, and symptoms corresponding to the second stage of the disease may be noted a few weeks later. By then, bacteria have reached regional lymph nodes, induce an inflammation accompanied by pain and swelling. Buboes may form. If not adequately treated, the disease may advance to a third, chronic stage marked by extensive tissue damage, abscess and fistula formation, and, in case of anal infections, inflammation, strictures and stenosis of the rectum.

While LVG has long since been considered an endemic disease of developing countries, several outbreaks have been registered in recent years in Europe, North America and Australia. The vast majority of affected individuals were men who have sex with man, whereby many of them were also infected with the human immunodeficiency virus. In these cases, an inflammation of the rectum or rectum and colon predominated the clinical picture. Patients may not anorectal bleedings, hemopurulent discharge, and problems while defecating.

LVG is effectively treated with antibiotics. If therapy is initiated before irreversible tissue damage occurs, the prognosis is excellent and long-term sequelae are not to be expected.



  1. Kapoor S. Re-emergence of lymphogranuloma venereum. J Eur Acad Dermatol Venereol. 2008; 22(4):409-416.
  2. Savage EJ, van de Laar MJ, Gallay A, et al. Lymphogranuloma venereum in Europe, 2003-2008. Euro Surveill. 2009; 14(48).
  3. Andrada MT, Dhar JK, Wilde H. Oral lymphogranuloma venereum and cervical lymphadenopathy. Case report. Mil Med. 1974; 139(2):99-101.
  4. de Vries HJ. The Enigma of Lymphogranuloma Venereum Spread in Men Who Have Sex With Men: Does Ano-Oral Transmission Plays a Role? Sex Transm Dis. 2016; 43(7):420-422.
  5. Sanders EJ, Thiong'o AN, Okuku HS, et al. High prevalence of Chlamydia trachomatis and Neisseria gonorrhoeae infections among HIV-1 negative men who have sex with men in coastal Kenya. Sex Transm Infect. 2010; 86(6):440-441.
  6. Li JH, Cai YM, Yin YP, et al. Prevalence of anorectal Chlamydia trachomatis infection and its genotype distribution among men who have sex with men in Shenzhen, China. Jpn J Infect Dis. 2011; 64(2):143-146.
  7. de Vrieze NH, de Vries HJ. Lymphogranuloma venereum among men who have sex with men. An epidemiological and clinical review. Expert Rev Anti Infect Ther. 2014; 12(6):697-704.
  8. Nans A, Ford C, Hayward RD. Host-pathogen reorganisation during host cell entry by Chlamydia trachomatis. Microbes Infect. 2015; 17(11-12):727-731.
  9. Ceovic R, Gulin SJ. Lymphogranuloma venereum: diagnostic and treatment challenges. Infect Drug Resist. 2015; 8:39-47.
  10. Perry ME, White JA. Three cases of reactive arthritis secondary to lymphogranuloma venereum. J Clin Rheumatol. 2015; 21(1):33-34.

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Last updated: 2018-06-21 22:42